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USGS Daily Statistics for New Jersey

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ALL DATA ARE AT LOCAL TIME


The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 01388000 Ramapo River at Pompton Lakes NJ


Passaic County, New Jersey
Hydrologic Unit Code 02030103
Latitude  40°59'31", Longitude  74°16'48" NAD83
Drainage area 160  square miles
Gage datum 171.35 feet above NGVD29
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00095, Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius,
Day of
month		 Mean of daily mean values for each day for water year of record in, uS/cm @25C   (Calculation Period 1988-10-01 -> 2024-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 390 468 487 363 364 410 460 461 485 461 399 351
2 392 471 476 366 361 402 470 461 478 462 396 343
3 398 471 466 363 369 400 463 464 480 455 393 346
4 408 474 460 366 372 398 463 464 479 452 390 352
5 415 481 453 373 376 399 459 466 480 447 389 355
6 420 491 451 373 372 401 458 469 482 448 395 359
7 429 502 450 376 374 399 459 470 483 450 407 358
8 438 512 456 373 371 396 458 470 484 450 415 363
9 449 516 463 379 372 401 460 470 488 445 410 356
10 441 523 474 384 372 401 447 476 488 445 413 373
11 441 526 475 386 370 407 447 479 489 449 413 372
12 446 523 471 389 369 413 450 479 491 453 413 368
13 449 524 462 393 369 425 445 475 492 453 416 369
14 447 523 442 388 373 422 441 471 492 451 419 377
15 443 527 441 387 373 418 441 469 487 454 420 383
16 445 531 435 375 376 418 446 463 483 459 422 391
17 454 544 431 360 381 423 446 460 477 463 425 399
18 467 545 428 361 378 428 442 462 477 461 419 389
19 479 541 427 369 375 431 447 459 472 461 416 389
20 478 538 428 372 377 436 452 461 469 458 412 392
21 469 538 431 384 383 440 455 467 464 450 405 396
22 493 538 433 388 388 442 462 471 464 447 399 393
23 481 534 427 385 393 442 466 461 467 448 398 395
24 499 524 422 379 394 437 464 458 466 448 386 392
25 494 520 418 376 395 440 465 461 464 446 380 385
26 473 512 422 377 399 447 460 464 458 441 377 385
27 462 493 409 373 403 448 460 475 450 434 374 384
28 446 485 405 370 405 449 467 468 452 432 366 381
29 445 420 390 367 409 452 465 467 458 423 358 377
30 447   379 368 410 446 470 472 456 409 358 381
31 466   370   411   467 477   402   390